mirror of
https://sourceware.org/git/glibc.git
synced 2024-11-18 02:50:09 +00:00
69 lines
2.5 KiB
ArmAsm
69 lines
2.5 KiB
ArmAsm
|
/*-
|
||
|
|
* Copyright (c) 1990 The Regents of the University of California.
|
||
|
|
* All rights reserved.
|
||
|
|
*
|
||
|
|
* Redistribution and use in source and binary forms, with or without
|
||
|
|
* modification, are permitted provided that the following conditions
|
||
|
|
* are met:
|
||
|
|
* 1. Redistributions of source code must retain the above copyright
|
||
|
|
* notice, this list of conditions and the following disclaimer.
|
||
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
||
|
|
* notice, this list of conditions and the following disclaimer in the
|
||
|
|
* documentation and/or other materials provided with the distribution.
|
||
|
|
* 3. All advertising materials mentioning features or use of this software
|
||
|
|
* must display the following acknowledgement:
|
||
|
|
* This product includes software developed by the University of
|
||
|
|
* California, Berkeley and its contributors.
|
||
|
|
* 4. Neither the name of the University nor the names of its contributors
|
||
|
|
* may be used to endorse or promote products derived from this software
|
||
|
|
* without specific prior written permission.
|
||
|
|
*
|
||
|
|
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
|
||
|
|
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
||
|
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
||
|
|
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
|
||
|
|
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
||
|
|
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
||
|
|
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
||
|
|
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
||
|
|
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
||
|
|
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
||
|
|
* SUCH DAMAGE.
|
||
|
|
*/
|
||
|
|
|
||
|
|
#if defined(LIBC_SCCS) && !defined(lint)
|
||
|
|
.asciz "@(#)strpbrk.s 5.1 (Berkeley) 5/15/90"
|
||
|
|
#endif /* LIBC_SCCS and not lint */
|
||
|
|
|
||
|
|
/*
|
||
|
|
* Find in s1 the first occurrence of any character from s2.
|
||
|
|
* If there are none, return NULL.
|
||
|
|
*
|
||
|
|
* char *
|
||
|
|
* strpbrk(s1, s2)
|
||
|
|
* const char *s1, *s2;
|
||
|
|
*/
|
||
|
|
#include "DEFS.h"
|
||
|
|
|
||
|
|
ENTRY(strpbrk, 0)
|
||
|
|
subl2 $32,sp /* make 256 bit table */
|
||
|
|
movc5 $0,(sp),$0,$32,(sp)
|
||
|
|
movq 4(ap),r0 /* r0 = s1, r1 = s2 */
|
||
|
|
|
||
|
|
/* turn on bit for each character in s2, including '\0' */
|
||
|
|
1:
|
||
|
|
movzbl (r1)+,r2
|
||
|
|
bbss r2,(sp),1b
|
||
|
|
bneq 1b
|
||
|
|
|
||
|
|
/* look for a character that is in s2 */
|
||
|
|
2:
|
||
|
|
movzbl (r0)+,r2 /* c = *s++ */
|
||
|
|
bbc r2,(sp),2b /* loop until c is in table */
|
||
|
|
beql 3f /* if c==0, go return NULL */
|
||
|
|
decl r0 /* s-- */
|
||
|
|
ret
|
||
|
|
3:
|
||
|
|
clrl r0
|
||
|
|
ret
|